<?xml version="1.0" encoding="utf-8"?>
<xsd:schema xmlns:wo="http://qwwebservices.usgs.gov/schemas/WQX-Outbound/2_0/" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://qwwebservices.usgs.gov/schemas/WQX-Outbound/2_0/" version="1.0" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:include schemaLocation="WQX_ActivityDescription_v2.0.xsd" />
  <xsd:include schemaLocation="WQX_ActivityLocation_v2.0.xsd" />
  <xsd:include schemaLocation="WQX_BiologicalActivityDescription_v2.0.xsd" />
  <xsd:include schemaLocation="WQX_SampleDescription_v2.0.xsd" />
  <xsd:include schemaLocation="WQX_ActivityMetric_v2.0.xsd" />
  <xsd:include schemaLocation="WQX_AttachedBinaryObject_v2.0.xsd" />
  <xsd:include schemaLocation="WQX_Result_v2.0.xsd" />
  <xsd:annotation>
    <xsd:documentation>
  	        Schema Name  : WQX_Activity_v2.0.xsd
  	        Description   : Allows for the reporting of monitoring activities conducted at a Station Location.
  	        Developed by  : EPA Office of Water
  	        Point of Contact : Dwane Young
		</xsd:documentation>
  </xsd:annotation>
  <xsd:complexType name="ActivityDataType">
    <xsd:sequence>
      <xsd:element ref="wo:ActivityDescription" />
      <xsd:element minOccurs="0" ref="wo:ActivityLocation" />
      <xsd:element minOccurs="0" ref="wo:BiologicalActivityDescription" />
      <xsd:element minOccurs="0" ref="wo:SampleDescription" />
      <xsd:element minOccurs="0" maxOccurs="unbounded" ref="wo:ActivityMetric" />
      <xsd:element minOccurs="0" maxOccurs="unbounded" ref="wo:AttachedBinaryObject" />
      <xsd:element minOccurs="0" ref="wo:ResultCount" />
      <xsd:element minOccurs="0" maxOccurs="unbounded" ref="wo:Result" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:element name="Activity" type="wo:ActivityDataType">
    <xsd:annotation>
      <xsd:documentation>Allows for the reporting of monitoring activities conducted at a Monitoring Location.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
</xsd:schema>